(19)

(11)

EP 1 590 875 A1

(12)

(43) Date of publication: 02.11.2005 Bulletin 2005/44 (21) Application number: 04702029.2 (22) Date of filing: 14.01.2004

(51) International Patent Classification (IPC)7: H02M 3/156, G05F 1/10 (86) International application number: PCT/IB2004/050023 (87) International publication number: WO 2004/066479 (05.08.2004 Gazette 2004/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 23.01.2003 EP 03100131 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: DE BOER, Jan, R. Nl-5656 AA Eindhoven (NL) (74) Representative: Schouten, Marcus Maria  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)